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Home › Gemstones › Gemstones By Color › Black Gemstones

Black Gemstones

Explore our collection of natural black gemstones, perfect for bold, elegant, and modern jewelry designs.

Black Gemstones Weight
Black Gemstones Size
Black Gemstones Clarity
Black Gemstones Price

Size Explained

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For Example: 8-9
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2.78ctw Black Onyx, Round, Opaque

2.78ctw Black Onyx, Round, Opaque

7 mm (calibrated)

$ 5.76

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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 14.53

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13.20ctw Black Spinel, Round, Opaque

13.20ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 43.38

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7.35ct Black Star Diopside, Round, Opaque

7.35ct Black Star Diopside, Round, Opaque

11 mm (calibrated)

$ 36.60

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3.60ct Black Star Diopside, Oval, Opaque

3.60ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 17.93

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8.86ctw Black Spinel, Round, Opaque

8.86ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 33.97

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1.78ct Black Star Diopside, Round, Opaque

1.78ct Black Star Diopside, Round, Opaque

6 mm (calibrated)

$ 8.86

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6.07ct Black Star Diopside, Round, Opaque

6.07ct Black Star Diopside, Round, Opaque

11 mm (calibrated)

$ 30.23

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0.27ct Black Diamond, Square, Opaque

0.27ct Black Diamond, Square, Opaque

3 x 3 mm (calibrated)

$ 134.46

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2.11ctw Black Onyx, Round, Opaque

2.11ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.20

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4.27ct Black Star Diopside, Round, Opaque

4.27ct Black Star Diopside, Round, Opaque

9 mm (calibrated)

$ 21.26

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7.53ct Black Spinel, Round, Opaque

7.53ct Black Spinel, Round, Opaque

12 mm (calibrated)

$ 24.75

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12.15ct Black Nuummite, Oval, Opaque

12.15ct Black Nuummite, Oval, Opaque

17.6 x 13.8 mm

$ 53.60

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6.79ctw Black Onyx, Trillion, Opaque

6.79ctw Black Onyx, Trillion, Opaque

9.9 x 9.4 mm

$ 5.64

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0.09ctw Black Diamond, Square, Opaque

0.09ctw Black Diamond, Square, Opaque

1.9 x 1.9 mm

$ 44.82

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10.59ct Black Onyx, Pear Shape, Opaque

10.59ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.55

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25.38ct Black Tourmaline, Emerald Cut, Opaque

25.38ct Black Tourmaline, Emerald Cut, Opaque

19.1 x 13.5 mm

$ 126.39

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2.90ctw Black Onyx, Round, Opaque

2.90ctw Black Onyx, Round, Opaque

7 mm (calibrated)

$ 5.78

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0.07ct Black Diamond, Square, Opaque

0.07ct Black Diamond, Square, Opaque

2 x 1.9 mm

$ 34.86

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0.18ct Black Diamond, Round, Opaque

0.18ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 85.62

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1.59ct Black Star Diopside, Oval, Opaque

1.59ct Black Star Diopside, Oval, Opaque

8 x 6 mm (calibrated)

$ 7.92

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13.95ct Black Tourmaline, Cushion, Opaque

13.95ct Black Tourmaline, Cushion, Opaque

16.3 x 12.9 mm

$ 69.47

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10.51ct Black Onyx, Pear Shape, Opaque

10.51ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.47

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14.99ctw Black Spinel, Round, Opaque

14.99ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 49.27

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Why Buy Black Gemstones from GemSelect?

Natural Black Gemstones

Our black gemstones are 100% natural and carefully selected for their deep color and quality. From classic onyx to rare black spinel, these stones offer timeless appeal for any jewelry project.

Black Gemstones Online

Buy black gemstones online at GemSelect with confidence. We offer a wide range of loose black gems in various shapes, sizes, and price points, all with detailed descriptions and secure worldwide shipping.

Loose Black Gemstones for Jewelry and Collecting

Popular Black Stones

Popular black gemstones include onyx, black spinel, black sapphire, and tourmaline. Each stone offers a unique look, from glossy opaque finishes to brilliant faceted sparkle.

Black Gemstones for Jewelry

Black gemstones are a favorite for modern and classic jewelry. Their neutral color pairs well with any metal, making them ideal for rings, earrings, pendants, and men’s jewelry.

Faceted Black Gems

Faceted black gemstones provide subtle brilliance and depth. These stones are cut to maximize light reflection, offering a refined and polished look for high-end jewelry designs.

Black Cabochon Stones

Black cabochons feature smooth, domed surfaces that highlight the richness of their color. They are perfect for bold statement pieces and vintage-inspired jewelry.

Wholesale Black Gemstones

We offer wholesale black gemstones for jewelers and designers. Purchase in bulk and enjoy competitive pricing on a wide selection of calibrated and free-size stones.

Meaning of Black Gemstones

Black gemstones are often associated with strength, protection, and grounding. They are popular choices for those seeking a bold, elegant look with symbolic meaning.

Learn more about gemstone properties and characteristics on our Gemstone Information Pages.

FAQs

What are the most popular black gemstones?

Popular black gemstones include onyx, black spinel, black sapphire, and black tourmaline. Each offers different durability, brilliance, and price ranges.

Are black gemstones natural?

Yes, many black gemstones are natural. Some may be treated to enhance color, and all treatments are fully disclosed for transparency.

Are black gemstones suitable for everyday jewelry?

Many black gemstones, such as sapphire and spinel, are durable enough for daily wear, while softer stones like onyx are better suited for occasional use.

What metal pairs best with black gemstones?

Black gemstones pair well with all metals, including white gold, yellow gold, rose gold, and silver. The contrast creates a bold and elegant appearance.

Can I buy black gemstones in calibrated sizes?

Yes, we offer calibrated black gemstones in standard sizes, making them ideal for ready-made jewelry settings and consistent designs.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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I enjoyed the enormous amount of knowledge on your site. It helped me choose the gems I purchased.

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Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
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Love this website! Looking forward to ordering consistently throughout the years to come building a personal collection.

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easy interface for a pricless buy

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Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

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